Generator

Details for Pythia 8.307 default

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 1.3
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 3.3*
<pT> vs Nch
 CDF_2010_I849042 1960 4.6*
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 3.4
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 6.5
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 3.8
<pT>Z vs Nch
 CDF_2010_I849042 1960 1.3
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 5.6
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 1.7*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 25
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 27
Jet Substructure
 Splitting scale d2
 ATLAS_2017_I1589844 8000 26
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 26
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 25
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 24
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 23
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 22
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 18
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 30
CMS_2022_I2079374 13000 31
D0_2010_I871787 1960 1.3*
LHCB_2012_I1208102 7000 8.4
LHCB_2021_I1990313 13000 13*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 0.93*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 1.0
CMS_2019_I1753680 13000 1.4
Dilepton
 pT
 LHCB_2021_I1990313 13000 11
Dilepton
 y
 LHCB_2021_I1990313 13000 17
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 6.2
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 16
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 2.1*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.5
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 0.94
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 0.82
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 0.98
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.3
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.9
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 14
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 4.9
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 2.6*
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 0.76
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 2.7
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 2.8
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 2.8
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 2.4
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 3.3
z.m
 PHENIX_2019_I1672015 200 110,000,000
pT Z
 CDF_2000_I505738 1800 11
CDF_2012_I1124333 1960 11
CMS_2019_I1753680 13000 n/a
CMS_2022_I2079374 13000 23
D0_2010_I856972 1960 3.1
PHENIX_2019_I1672015 200 89,000,000
z.pt._z.pt
 CMS_2022_I2079374 13000 1.2
z.pt_norm
 ATLAS_2011_I917931 7000 0.64
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 n/a
D0_2010_I856972 1960 1.2
y Z
 ATLAS_2016_I1467454 8000 19
CMS_2019_I1753680 13000 52
LHCB_2012_I1208102 7000 12
z.y_norm
 CMS_2019_I1753680 13000 0.56

* several "n/a" histograms were excluded from the calculation



n/a indicates that the χ2 value is unavailable, typically due to mismatched binning between theoretical and MC histograms or other issues.



The page data is based on 473 histograms.